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81 front end engineer jobs at 51 companies in Colorado

1mo
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Front End Software Developer
Sterling or Aurora
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
5+ YOE5+ years front-end development experience, TS/JS proficiency, Bachelor\u0002s in CS/Engineering, TS/SCI clearance (CI poly desired), experience with modern web frameworks and DevSecOps.
TypeScript, Java, Spring Boot, Spring Framework, REST, JavaScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, SAST, Docker, Kubernetes
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1mo
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Front-end Software Developer
Denver, Colorado, United States
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
5+ YOETS/SCI clearance (polygraph preferred),5+ years front-end experience,BS or equivalent,advanced JavaScript/TypeScript skills,web frameworks,leadership and secure environment experience.
JavaScript, TypeScript, Svelte, WebSocket, Kafka, RESTful APIs
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2w
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Front-End Software Engineer
Colorado Springs, Colorado, United States
$122k-$157k/yr HybridFull Time
Caliola Engineering
Caliola Engineering: Caliola is a woman-owned defense engineering firm providing secure communications solutions and services to U.S. government customers.
7+ YOEBachelor’s degree or equivalent experience; 7–12 years of front-end engineering experience; TypeScript, JavaScript, and modern frameworks; backend, databases, containers, CI/CD, Git, and Secret-level clearance required.
TypeScript, JavaScript, Vue.js, Node.js, Tauri, Ionic, React, Solid, Angular, Rust, Go, Python, GitLab, Git, SQL, NoSQL, CI/CD
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Front End Software Engineer
Englewood or Denver
$140k-$180k/yr OnsiteFull Time
Altamira Technologies
Altamira Technologies: Altamira is a defense contractor serving U.S. national-security customers with analytics, engineering, and cyber operations.
Bachelor's in a related field, TS/SCI clearance required, experience with Java/JavaScript/Python and front-end frameworks, strong communication and problem-solving skills.
Java, Python, JavaScript, Angular, React, ElasticSearch, TypeScript, ELK, Redis, Web Services (REST), Docker, LXC, Kubernetes, Helm, Machine Learning, Android, NoSQL, SQL, Xmidas, Digital Signal Processing, Svelte
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2mo
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Frontend Engineer
Toulouse or San Francisco or Golden
OnsiteFull Time
Loft Orbital
Loft Orbital: Space infrastructure helping governments, companies, and research institutions deploy and operate missions in low Earth orbit.
Proficiency in TypeScript, HTML, CSS, experience with Vue.js or React, SPA development, GraphQL APIs, and unit/integration testing (e.g., Vitest, Jest, Cypress). Web Components and geospatial libraries are a plus.
Vue.js, TypeScript, HTML, CSS, GraphQL, Vitest, Jest, Cypress, Web Components (Lit), Leaflet, Mapbox, CesiumJS
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3d
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Senior Front End Graphics Engineer
Long Beach or Denver or Washington
$135k-$195k/yr HybridFull Time
True Anomaly
True Anomaly: Delivering decisive capabilities for space superiority and security.
Requires strong React and TypeScript, deep three.js or react-three-fiber experience, WebGL and GLSL fundamentals, real-time 3D performance expertise, visual design judgment, and end-to-end ownership.
React, three.js, Unity, Unreal, Babylon.js, TypeScript, react-three-fiber, WebGL, GLSL, Blender, glTF
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Frontend Engineer -- Automotive Saas
Fort Myers or Colorado
$110k-$125k/yr RemoteFull Time
Volie
Volie: Private SaaS providing AI-enhanced BDC communication software to automotive dealerships.
4+ YOERequires 4+ years building production frontend applications, strong React and JavaScript or TypeScript skills, REST API and JSON experience, frontend testing, Git workflows, independent remote work, and strong communication.
React, Vue 2, JavaScript, TypeScript, Jira, REST APIs, JSON, Playwright, Cypress, Sentry, Datadog, Go, Postgres, Git, WebSockets
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2mo
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Front End Web Production Engineer
Florida or Texas or Illinois or New York or New Jersey or Colorado or Idaho or Massachusetts or Michigan or Minnesota or Missouri or North Carolina or South Carolina or Utah or Virginia
$88k-$110k/yr RemoteFull Time
TradeStation
TradeStation: Online brokerage and trading technology provider serving active individual and institutional traders.
3+ YOE3+ years front-end development or web production; strong HTML/CSS, working JavaScript/TypeScript, React and Next.js experience; experience with Figma, ContentStack, Git, cross-browser QA, accessibility (WCAG 2.1), and CMS-driven production. Remote applicants must reside in specified US states.
HTML, CSS, JavaScript, TypeScript, React, Next.js, JSX, Figma, ContentStack, GSAP, Git
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Front End Software Engineer
San Francisco or Denver or New York City
$150k-$200k/yr OnsiteFull Time
Candid Health
Candid Health: Private revenue cycle management software automating billing for healthcare providers.
3+ YOEBachelor's in CS or similar, 3+ years software engineering experience, proficiency with HTML, CSS, React, TypeScript and API development; familiarity with SSR, GraphQL, Tailwind, Firebase, and Codegen; strong UX instincts.
HTML, CSS, React, TypeScript, API, GraphQL, Tailwind, Firebase, Codegen
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1mo
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Junior Front-End Developer
Westminster, Colorado, United States
$88k-$155k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Technology and engineering solutions for defense and infrastructure.
2+ YOEBachelor's or equivalent, 2+ years related experience, working knowledge of Python and JavaScript, familiarity with PyQT/ReactJS/Dash/Streamlit, HTML/CSS, basic AI/ML concepts, and ability to work onsite in Denver.
Python, JavaScript, PyQT, ReactJS, Dash, Streamlit, HTML, CSS, Git, Azure Machine Learning, Roboflow
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2mo
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Senior Front-End UI/UX Engineer
Colorado Springs, Colorado, United States
$130k-$170k/yr OnsiteFull Time
GXM Technologies
GXM Technologies: Private U.S. defense technology contractor delivering mission-ready software, secure cloud systems, and innovation-transition programs for federal agencies.
8+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in a related field, 8+ years front-end/UI/UX experience, expertise with React/Angular/Vue, TypeScript, JavaScript, HTML, CSS, and data visualization.
React, Angular, Vue, TypeScript, JavaScript, HTML, CSS, Figma
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3w
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Senior Software Engineer (Frontend) - Scribd Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$124k-$226k/yr HybridFull Time
Scribd, Inc.
Scribd, Inc.: AI-powered knowledge serving global readers, professionals, and learners through document, presentation, reading, and social book platforms.
6+ YOERequires 6+ years of frontend software engineering experience, JavaScript/TypeScript and React expertise, modern web framework experience, architecture knowledge, performance optimization, testing, and strong collaboration skills.
JavaScript, TypeScript, React, Next.js, Microfrontend, monorepos
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1w
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UI/UX Front End Engineer
Boulder, Colorado, United States
$78k-$117k/yr RemoteFull Time, Contract
Lynker Corporation
Lynker Corporation: Employee-owned science, engineering, and technology services firm supporting government, community, and industry missions.
5+ YOEBachelor's degree or equivalent experience, 5+ years of web development and UI/UX engineering, Drupal 10 theming, HTML5, CSS3/SASS, JavaScript, TypeScript, and Git experience.
Drupal 10, Twig, HTML5, CSS3/SASS, JavaScript, TypeScript, Flexbox, CSS Grid, Git, Leaflet, OpenLayers, Chart.js, D3.js, Docker, DDEV, Lando
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3w
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Frontend Software Engineer - Senior (TS Clearance)
Denver, Colorado, United States
OnsiteFull Time
Solerity
Solerity: Private U.S. professional-services providing federal IT, engineering, cybersecurity, cloud, analytics, and program-management services.
Senior frontend engineering experience with modern web development, JavaScript, RESTful APIs, Git/GitHub, agile methods, and Angular or React; active Top Secret clearance required and TS/SCI with Poly eligibility.
HTML5, CSS3, LESS, SASS, Bourbon, Twitter Bootstrap, JavaScript, jQuery, Backbone.js, Ember.js, D3, RESTful APIs, Git, GitHub, Rails, Express, Django, Angular, React, Java, Kubernetes, Docker, Jenkins, Puppet, SAFe, Scrum, Lean
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2mo
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Software Engineer II – Portal (Front End)
Atlanta or Denver or Cincinnati or Salt Lake City
$92k-$139k/yr HybridFull Time
Worldpay
Worldpay: Global leader in payment technology and merchant solutions.
6+ YOE6+ years software development experience; 3+ years Angular front-end; 2+ years ExpressJS; experience with Node.js, TypeScript, relational databases, REST APIs and AWS; strong communication and SDLC knowledge.
Node.js, TypeScript, Angular, Playwright, MariaDB, AWS EC2, AWS S3, API Gateway, Git, GitHub, CI, JIRA, Confluence, Qualys, Jenkins, ExpressJS, Postgres, REST APIs
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3w
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Sr Staff Fullstack Developer (Frontend focused)
Exton or Boulder or Huntsville or Dayton
$136k-$204k/yr OnsiteFull Time
Synopsys
SynopsysNASDAQ: SNPS: Provider of electronic design automation software and semiconductor IP.
4+ YOEBachelor's with 8 years, master's with 6, or PhD with 4; front-end and back-end development expertise, cloud deployment, web components, Git, Agile, and testing experience.
HTML5, CSS3, JavaScript, React, Angular, C#, Java, Python, Node.js, Docker, Kubernetes, AWS, Microsoft Azure, Git, Jasmine, Karma, Jest, Vitest, Ansys
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3w
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Software Engineer – Frontend Web Developer
Littleton or Denver
$134k-$181k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Employee-owned engineering providing technical mission support for defense and space programs serving government and industry.
4+ YOEBachelor’s degree or equivalent practical experience, 4+ years of software or frontend development, active Top Secret clearance, and experience with frontend applications, JavaScript, APIs, Git, Agile, and accessible interfaces.
HTML5, CSS3, LESS, SASS, Bootstrap, Bourbon, JavaScript, Angular, React, Git, GitHub, GitLab, Rails, Express, Django, RESTful APIs, Jenkins, Puppet, Docker, Kubernetes, D3, SAFe
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1mo
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Software Engineer II, Frontend
Atlanta or New York or California or Washington or Colorado
$122k-$170k/yr HybridFull Time
Greenlight Financial Technology, Inc.
Greenlight Financial Technology, Inc.: Private family fintech providing parent-managed debit cards, money tools, safety features, and family organization services.
3+ YOEBS in CS or equivalent,3+ years software development experience,technical leadership experience,expertise in React/Next.js/Remix and TypeScript,experience with modern build tools,testing and CI/CD.
React, Next.js, Remix, TypeScript, Tailwind CSS, Turborepo, Cypress, React Testing Library, Jest, Node.js, Express, Kotlin, REST APIs, AWS
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1w
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Senior Software Engineer, Front End / Full Stack
California or Maine or Pennsylvania or Nevada or North Carolina or Texas or Colorado or Washington or Illinois or New York or Missouri or Massachusetts
$180k-$215k/yr RemoteFull Time
Grove Collaborative
Grove CollaborativeNYSE: GROV: Publicly traded online retailer selling sustainable household, personal-care, beauty, wellness, baby, and pet essentials to U.S. consumers.
7+ YOERequires 7+ years building production web applications, deep JavaScript and TypeScript expertise, modern component framework experience, full-stack capability, project leadership, and performance optimization skills.
Shopify, JavaScript, TypeScript, React, Vue, Svelte, GraphQL, Alpine.js, Vitest, Jest, Cypress, Playwright, Git, GitHub Actions, Liquid, Storefront API, Cart API, Checkout Extensions, Online Store 2.0
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1mo
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Morpheus Software Principal UI/UX engineer
Fort Collins or Houston or Durham
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Global edge-to-cloud advancing how people live and work.
10+ YOEExpert front-end engineer with React and TypeScript, 10+ years' experience, strong UX/product instincts, experience with cloud platforms and design systems, bachelor's degree or equivalent.
React, TypeScript, HTML, CSS, RESTful APIs, AWS, Microsoft Azure, Google Cloud, CI/CD
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